Abstract: HPV infection is closely related to cervical cancer.Therapeutic HPV DNA vaccines can treat HPV infection so that they can prevent cervical intraepithelial neoplasia which is caused by HPV.So we mainly discuss about HPV,therapeutic HPV DNA vaccines,improvements and so on.In order to be able to be applied in clinical in the future,researchers use different methods to improve the therapeutic HPV DNA vaccines which is based on intensive study of HPV and DNA vaccines.

Key words: HPV, DNA vaccines, Cervical cancer